Complex air-structured optical fibre drawn from a 3D
... In recent years, there has been an explosion of interest in 3D printing technologies and there is now a vast range of 3D printing methods that are finding new applications every day in a whole host of areas from science and engineering to medicine and the arts [1]. They are set to revolutionise manu ...
... In recent years, there has been an explosion of interest in 3D printing technologies and there is now a vast range of 3D printing methods that are finding new applications every day in a whole host of areas from science and engineering to medicine and the arts [1]. They are set to revolutionise manu ...
Quasi-Single-Mode Fiber Transmission for Submarine Systems
... sensitivity is primarily governed by fiber effective area as well as material properties [1]. In practice, it can be difficult to make single-mode fibers with effective areas larger than approximately 150 µm2 without compromising bend loss performance. However, one means to increase the effective ar ...
... sensitivity is primarily governed by fiber effective area as well as material properties [1]. In practice, it can be difficult to make single-mode fibers with effective areas larger than approximately 150 µm2 without compromising bend loss performance. However, one means to increase the effective ar ...
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... scattering factor for the diffusing photon. The brackets denote an ensemble average which, for an ergodic system, is the same as a temporal average. This form for the temporal field autocorrelation function is accurate for homogeneous, fluctuating turbid media, such as colloids, but cannot be easily ...
... scattering factor for the diffusing photon. The brackets denote an ensemble average which, for an ergodic system, is the same as a temporal average. This form for the temporal field autocorrelation function is accurate for homogeneous, fluctuating turbid media, such as colloids, but cannot be easily ...
Laser Ignition in Internal Combustion Engines
... source exists. Instead, energy deposition occurs along the whole beam path in the gas. According to the characteristic transport times therein, it is not necessary to deposit the needed ignition energy in a very short time (pulse). So, this ignition process can also be achieved using quasi continuou ...
... source exists. Instead, energy deposition occurs along the whole beam path in the gas. According to the characteristic transport times therein, it is not necessary to deposit the needed ignition energy in a very short time (pulse). So, this ignition process can also be achieved using quasi continuou ...
Spectral Domain Optical Coherence Tomography
... determined by changes in reflective properties between the tissues. Current experimental ophthalmic OCT instruments provide more structural information than any other ophthalmic diagnostic technique.2 With the latest commercially available machine (Stratus OCT3; Carl Zeiss Meditec Inc, Dublin, Calif ...
... determined by changes in reflective properties between the tissues. Current experimental ophthalmic OCT instruments provide more structural information than any other ophthalmic diagnostic technique.2 With the latest commercially available machine (Stratus OCT3; Carl Zeiss Meditec Inc, Dublin, Calif ...
2 µm Laser Sources and Their Possible Applications
... Fig. 5. Tuning curves of Tm:LuAG (Scholle et al., 2004) and Tm:Lu2O3 (Koopmann et al., 2009a) Some of the important parameters of thulium doped crystals for laser operation around 2 µm have been discussed, but there are still some more aspects, which are important for the realisation of a high power ...
... Fig. 5. Tuning curves of Tm:LuAG (Scholle et al., 2004) and Tm:Lu2O3 (Koopmann et al., 2009a) Some of the important parameters of thulium doped crystals for laser operation around 2 µm have been discussed, but there are still some more aspects, which are important for the realisation of a high power ...
development and verification of the non
... exoplanets and disks around nearby stars requires high accuracy control of low-order modes that dominate atmospheric turbulence and scatter light at small angles where exoplanets are likely to be found. Imaging planets using a high contrast coronagraphic camera, as is the case for the Spectro-Polari ...
... exoplanets and disks around nearby stars requires high accuracy control of low-order modes that dominate atmospheric turbulence and scatter light at small angles where exoplanets are likely to be found. Imaging planets using a high contrast coronagraphic camera, as is the case for the Spectro-Polari ...
chapter 5: effect of the optical properties of the epidermis on laser
... in a profile as shown in Figure 5.1(b). A circular, Gaussian laser source (output power of 50 mW and beam diameter 1.2 cm) at a wavelength of 676 nm was defined and traced through the model. Two evaluation detectors were put in place. A semi-sphere back-reflection detector was placed behind the lase ...
... in a profile as shown in Figure 5.1(b). A circular, Gaussian laser source (output power of 50 mW and beam diameter 1.2 cm) at a wavelength of 676 nm was defined and traced through the model. Two evaluation detectors were put in place. A semi-sphere back-reflection detector was placed behind the lase ...
Calculation of vectorial three-dimensional transfer
... function. In two dimensions numerical correlation yields the two-dimensional OTF on a discrete grid,10 but in three dimensions this approach fails because the pupil functions are nonzero on spherical shells only. However, the correlation can be written as a single line integral along the circular in ...
... function. In two dimensions numerical correlation yields the two-dimensional OTF on a discrete grid,10 but in three dimensions this approach fails because the pupil functions are nonzero on spherical shells only. However, the correlation can be written as a single line integral along the circular in ...
Study on Supervision of Wavelength Division Multiplexing
... The wavelength-division-multiplexed passive optical network (WDM-PON) offers many advantages such as large bandwidth per user, easy management, high network security and low insertion loss enabling long-reach and/or high split-ratio. However, with the rapid development and growing interest for deplo ...
... The wavelength-division-multiplexed passive optical network (WDM-PON) offers many advantages such as large bandwidth per user, easy management, high network security and low insertion loss enabling long-reach and/or high split-ratio. However, with the rapid development and growing interest for deplo ...
Concentration effect of carbon nanotube based saturable
... 3. H. A. Haus, “Mode-locking of lasers,” IEEE J. Sel. Top. Quantum Electron. 6(6), 1173–1185 (2000). 4. N. J. Doran, and D. Wood, “Nonlinear-optical loop mirror,” Opt. Lett. 13(1), 56–58 (1988). 5. U. Keller, W. H. Knox, and H. Roskos, “Coupled-cavity resonant passive mode-locked Ti:sapphire laser,” ...
... 3. H. A. Haus, “Mode-locking of lasers,” IEEE J. Sel. Top. Quantum Electron. 6(6), 1173–1185 (2000). 4. N. J. Doran, and D. Wood, “Nonlinear-optical loop mirror,” Opt. Lett. 13(1), 56–58 (1988). 5. U. Keller, W. H. Knox, and H. Roskos, “Coupled-cavity resonant passive mode-locked Ti:sapphire laser,” ...
Fourier-domain holography in photorefractive quantum-well films
... FDH does have the drawback, however, of large intensity variation of the Fourier transform across the recording medium,6,13 which results in the loss of either high-frequency or low-frequency components in reconstructed images. To solve this problem, diffusers such as random,13 deterministic,14 and ...
... FDH does have the drawback, however, of large intensity variation of the Fourier transform across the recording medium,6,13 which results in the loss of either high-frequency or low-frequency components in reconstructed images. To solve this problem, diffusers such as random,13 deterministic,14 and ...
An Optical Fiber Lateral Displacement Measurement Method and
... tool for topographical measurement with nano- and sub-nanometer resolution [5], but usually the single scanning distance is of the order of 150 ˆ 150 µm, and the scanning speed is also a limitation. Eddy current sensors have a large range with linearity error of less than ˘3% [6,7], but they are not ...
... tool for topographical measurement with nano- and sub-nanometer resolution [5], but usually the single scanning distance is of the order of 150 ˆ 150 µm, and the scanning speed is also a limitation. Eddy current sensors have a large range with linearity error of less than ˘3% [6,7], but they are not ...